Here is how five major, publicly traded gastroenterology companies fared in the stock market for the week of Aug. 21 to Aug. 25.
Note: This data was compiled using Google Finance.
1. Allergan Pharmaceuticals
Opened: $223.92 on Aug. 21
Peaked: $225.60 on Aug. 24
Closed: $222.31 on Aug. 25
Percent change between Aug. 21 to Aug. 25: -0.71 percent
2. Exact Sciences Corp.
Opened: $37.90 on Aug. 21
Peaked: $41.16 on Aug. 24
Closed: $39.96 on Aug. 25
Percent change between Aug. 21 to Aug. 25: 5.43 percent
3. Johnson & Johnson
Opened: $132.29 on Aug. 21
Peaked: $134.73 on Aug. 22
Closed: $131.73 on Aug. 25
Percent change between Aug. 21 to Aug. 25: -0.42 percent
4. Synergy Pharmaceuticals
Opened: $2.91 on Aug. 21
Peaked: $3.11 on Aug. 25
Closed: $3.09 on Aug. 25
Percent change between Aug. 21 to Aug. 25: 6.18 percent
5. Valeant Pharmaceuticals
Opened: $14.34 on Aug. 21
Peaked: $15.05 on Aug. 24
Closed: $14.12 on Aug. 25
Percent change between Aug. 21 to Aug. 25: -1.53 percent